STANDISH, ME - SEPTEMBER 25: Aaron Sinclair, of Dave's World, installs a heat pump at the home of Roland and Dale Bois on September 25, 2018. Sinclair, who has worked installing heat pumps for two ...

The challenge is no longer generating cheap, clean energy—it's accessing this energy quickly and around the clock.

As renewables like wind and solar grow, storing energy for months—not just hours—is vital to ensure reliable grid power. Traditional lithium-ion and pumped hydro storage fall short in affordability, ...

The systems, which can store clean energy as heat, were chosen by readers as the 11th Breakthrough Technology of 2024. We need heat to make everything from steel bars to ketchup packets. Today, a ...

Geothermal energy has been utilized by humans for millennia. While the first-ever use may be a mystery, we do know the Romans tapped into it in the first century for hot baths at Aquae Sulis ...

California’s power grid is on the forefront of two unavoidable trends: adding massive amounts of renewable energy and coping with extreme heat driven by climate change. The two-week September heat ...

An energy supplier in Finland has announced the upcoming construction of an underground seasonal thermal energy storage facility about the size of two Madison Square Gardens that could meet the ...

Hunter Leveille, of Enfield, New Hampshire, brings the propane line back to his truck after filling a homeowner’s tanks on the Quechee-West Hartford Road in Hartford, in February 2021. Photo by Geoff ...

Clockwise from top left: Laura Sibilia, Phil Scott, Julie Moore, Jared Duval, and Chris Bray. Photos by Glenn Russell/VTDigger, Mike Dougherty/VTDigger and courtesy of Joan Javier-Duval Gov. Phil ...

Spanish heating specialist Elnur Gabarron offers a residential heating system that works with surplus solar power and storage heaters. The system can work as a backup solution, combined with existing ...